2
votes
1answer
313 views

How can I clean up and smooth out procedurally generated terrain?

I am experimenting with procedural content generation, and starting with generating terrain from fractional brownian noise. The terrain produced looks fairly realistic, but has many artifacts and ...
2
votes
0answers
154 views

Mapping heightmap to spherical clipmap

How would you map the points on a spherical clipmap to a heightmap? My coarsest clipmap has an outer radius of PI and an inner radius of PI/2. My coarsest heightmap goes from -PI, PI on the x axis and ...
1
vote
3answers
1k views

Methods of procedural terrain generation that can work using DirectX 9 (SM2.0)?

I'm working on a simple game / fun project that I want to be largely procedurally generated. At first I started by using boxels (Similar to Minecraft, but not textured) for the terrain and it came out ...
3
votes
1answer
682 views

Tweaking Heightmap Generation For Hexagon Grids

Currently I'm working on a little project just for a bit of fun. It is a C++, WinAPI application using OpenGL. I hope it will turn into a RTS Game played on a hexagon grid and when I get the basic ...
0
votes
2answers
637 views

“Marching cubes” voxel terrain - triplanar texturing with depth?

I am currently working on a voxel terrain that uses the marching cubes algorithm for polygonizing the scalar field of voxels. I am using a triplanar texturing shader for texturing. say I have a grass ...
3
votes
3answers
1k views

How did they do it: Trine 2.5d terrain?

How did they make the terrain in trine? I think they took a polygon approach. It doesn't seem that they used a heightmap because it is in all three vectors, or a voxel method because it doesn't have ...
7
votes
5answers
3k views

2D Procedural Terrain Generation - Guaranteeing connectedness?

I'm working on a 2D platformer in XNA. One of things I'd like to be a main design characteristic is procedural content generation. The first step of that is to procedurally generate the terrain. So, ...
37
votes
3answers
24k views

How are voxel terrain engines made?

A few days ago I found something called voxel terrains and I think that they're pretty cool. But I don't know anything generating them. Do you model it in your modeling software or use something like ...
8
votes
2answers
985 views

Render rivers in a grid

I have created a random height map and now i want to create rivers. I've made an algorithm based on a* to make rivers flow from peaks to sea and now i'm in the quest of figuring out an elegant ...
7
votes
2answers
830 views

How to orient a surface normal to a cubic surface

The immediate question is: in HLSL, how can I orient a surface normal generated in UV space so that I can apply it to a cube face? The overall project is that I'm trying to build a procedural planet ...